A circular coil of $1000\,turns$ and area of cross-section $1.5 \times 10^{-4}\, m^2$, is carrying a current of $2\,A$. What is the magnetic moment associated with the coil?....$Am^2$
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The magnetic moment of the solenoid is
$\mathrm{M}=\mathrm{INA}=2 \times 1000 \times 1.5 \times 10^{-4}=0.3\, \mathrm{Am}^{2}$
Hence the correct choice is $( 1)$
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